1. HDPE, LDPE, LLDPE film blowing machine. 2. Rotating die head 3. Three layer extrusion ... 800/1500mm in fold width 0.08mmin the thickness packaging films, film has good insulation, for instance holding temperature, ... resistive, and so used for light and heavy-duty packaging, for example fresh fruits, meat-feeding, salt vegetables, ... Model Three-layer Common-extruding Rotary Die Film Blowing Machine